Write the expression in simplest form. (-11/2 x +3) - 2(-11/4 x - 5/2)

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?